init

2024-11-30 19:03:49 +08:00
commit 1e6763c160
3806 changed files with 737676 additions and 0 deletions
--- a/java/javax/servlet/Registration.java
+++ b/java/javax/servlet/Registration.java
@@ -0,0 +1,94 @@
+/*
+* Licensed to the Apache Software Foundation (ASF) under one or more
+* contributor license agreements.  See the NOTICE file distributed with
+* this work for additional information regarding copyright ownership.
+* The ASF licenses this file to You under the Apache License, Version 2.0
+* (the "License"); you may not use this file except in compliance with
+* the License.  You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package javax.servlet;
+
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * Common interface for the registration of Filters and Servlets.
+ * @since Servlet 3.0
+ */
+public interface Registration {
+
+    public String getName();
+
+    public String getClassName();
+
+    /**
+     * Add an initialisation parameter if not already added.
+     *
+     * @param name  Name of initialisation parameter
+     * @param value Value of initialisation parameter
+     * @return <code>true</code> if the initialisation parameter was set,
+     *         <code>false</code> if the initialisation parameter was not set
+     *         because an initialisation parameter of the same name already
+     *         existed
+     * @throws IllegalArgumentException if name or value is <code>null</code>
+     * @throws IllegalStateException if the ServletContext associated with this
+     *         registration has already been initialised
+     */
+    public boolean setInitParameter(String name, String value);
+
+    /**
+     * Get the value of an initialisation parameter.
+     *
+     * @param name  The initialisation parameter whose value is required
+     *
+     * @return The value of the named initialisation parameter
+     */
+    public String getInitParameter(String name);
+
+    /**
+     * Add multiple initialisation parameters. If any of the supplied
+     * initialisation parameter conflicts with an existing initialisation
+     * parameter, no updates will be performed.
+     *
+     * @param initParameters The initialisation parameters to add
+     *
+     * @return The set of initialisation parameter names that conflicted with
+     *         existing initialisation parameter. If there are no conflicts,
+     *         this Set will be empty.
+     * @throws IllegalArgumentException if any of the supplied initialisation
+     *         parameters have a null name or value
+     * @throws IllegalStateException if the ServletContext associated with this
+     *         registration has already been initialised
+     */
+    public Set<String> setInitParameters(Map<String,String> initParameters);
+
+    /**
+     * Get the names and values of all the initialisation parameters.
+     *
+     * @return A Map of initialisation parameter names and associated values
+     *         keyed by name
+     */
+    public Map<String, String> getInitParameters();
+
+    public interface Dynamic extends Registration {
+
+        /**
+         * Mark this Servlet/Filter as supported asynchronous processing.
+         *
+         * @param isAsyncSupported  Should this Servlet/Filter support
+         *                          asynchronous processing
+         *
+         * @throws IllegalStateException if the ServletContext associated with
+         *         this registration has already been initialised
+         */
+        public void setAsyncSupported(boolean isAsyncSupported);
+    }
+}